https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environment paid for IBM's computer factories and basic technology, leading to cheaper manufacturing costs that other makers could not match.
On Tue, Apr 29, 2025 at 2:25 AM Dave Wade < 000006d3d37cab79-dmarc-requ...@listserv.ua.edu> wrote: > On Mon, 28 Apr 2025 12:00:21 +0000, Seymour J Metz <sme...@gmu.edu> wrote: > > >First commercial computer, but it looks like Z4 and BINAC were there > earlier, with only BINAC being electronic, > > > > Acoustic delay lines are electro-mechanical, not electronic. Splitting > hairs I know but the IEEE not be came up with these milestones... > > >First paging computer. > > > >The acoustic delay lines for BINAC shipped before the Williams tubes for > Mark 1; I don't know the dates for the technologies. > > > >As to RADAR, it motivated improvements in vacuum tube design, which was > more important than either storage technology. > > I think we totally underestimate the importance of Radar and its > associated technologies. > > > > >-- > >Shmuel (Seymour J.) Metz > >http://mason.gmu.edu/~smetz3 > >עַם יִשְׂרָאֵל חַי > >נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר > > Dave > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
